DK50 3x4VR/M
NP-DK50-3x4VRM_ED-EN-2_10-2018
- 24 -
10/2018
18.1. Maintenanceintervals
These maintenance intervals are valid for products with max. operating pressure of 8 bar!
Attention!
The operator shall secure the completion of repeated testing of the equipment at least once every 24 months (EN 62353) or at the intervals
defined by applicable national regulations. A record must be completed of the test results (per EN 62353, Annex G) together with the
measurement methods.
Tab. 2
Time interval
Once
a day
Once
a
week
Once
a year
Once
every
2
years
2000
4000
6000
8000
10000
12000
Chapter
Set of
replacement
parts
Performed
by
Product function
check
x
18.2
user
Clean dryer filter grid,
Inspect the
condensate drain and
check temperatures
on the display
x
See the
dryer manual
on the CD
user
Clean the dryer
condenser, check
dryer operation
x
x
x
x
x
x
See the
dryer manual
on the CD
user
Replace float in
separator
x
x
x
18. 7.
025200146-000
user
Equipment inspection
x
x
x
x
x
x
18. 3.
qualified
technician
Inspection of
electrical connections
x
x
x
x
x
x
18. 4.
qualified
technician
Check operation of
check valves
x
x
x
See the
service
manual
qualified
technician
Check the function of
the pressure switch
x
x
x
x
x
x
See the
service
manual
qualified
technician
Relief valve check
x
x
x
x
x
x
19
qualified
technician
